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Finding the Fourth Proportional to 18,600.96, 25,660.80 and 11,884.80

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Solution

The fourth proportional to 18,600.96, 25,660.80 and 11,884.80 is: 16,395.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.96 : 25,660.80 = 11,884.80 : x
  2. Step 2: Convert to fraction form
    18,600.96/25,660.80 = 11,884.80/x
  3. Step 3: Cross multiply
    18,600.96x = 25,660.80 × 11,884.80
  4. Step 4: Simplify right side
    18,600.96x = 304,973,475.84
  5. Step 5: Solve for x
    x = 304,973,475.84/18,600.96
  6. Step 6: Final answer
    x = 16,395.58

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